Toyota Sienna Service Manual: Intake system
Parts location
System diagram
2Gr-fe intake
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Intake air control valve
Components
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Other materials:
No. 1 Ultrasonic sensor
COMPONENTS
REMOVAL
1. REMOVE FRONT FENDER LINER LH
2. REMOVE FRONT FENDER LINER RH
3. REMOVE FRONT BUMPER COVER
4. REMOVE REAR BUMPER COVER (2)
5. REMOVE NO. 1 ULTRASONIC SENSOR RETAINER
Remove the No. 1 ultrasonic sensor retainer as
shown in the illustration
6. REMOVE ...
Tire Pressure Warning Reset Switch Circuit
DESCRIPTION
The ECU enters the initialization mode and performs initialization
automatically, when the tire pressure
warning ECU receives the signal from the tire pressure warning reset switch. If
the ECU receives the
signal, the tire pressure warning light blinks 3 times (1 second on, 1 seco ...
Fuel Pump Control Circuit
DESCRIPTION
The FUEL PUMP relay switches the fuel pump speed according to the engine
conditions. The fuel pump
operates when the ECM receives the starter-operating signal (STA) and
crankshaft-rotating signal (NE).
The FUEL PUMP relay is turned ON while the engine is idling or operating at l ...
